Generally, airlines have strict restrictions on the refund and endorsement of economy class.
A: 正确
B: 错误
A: 正确
B: 错误
举一反三
- 中国大学MOOC: Generally, airlines have strict restrictions on the refund and endorsement of economy class.
- All flights have economy class, business class, and first class.
- Flight seats are usually divided into three classes: first class, business class and economy class.
- The maximum weight limitation for unchecked baggage in economy class is generally set at 5 pounds.
- We have a desperate need ______practice strict economy in every department. A: to B: of C: for D: about